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Retirement Plans And Other Postretirement Benefits (Schedule Of Pension Plan Assets Categorized By Level Within Fair Value Measurement Hierarchy) (Details) $ in Thousands | Dec. 31, 2022 USD ($)
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Defined Benefit Plan Disclosure [Line Items] |
Securities Sold And Interest Receivable | $ 259
Total plan assets | 218,119
Cash and cash equivalents |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 24,796
Fixed income mutual fund |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 30,284
Defined Benefit Plan, Common Collective Trust |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 152,389
Private equity and hedge funds |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 141
Other Assets |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 10,250
Total investments measured at net asset value |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 152,530
Total Plan Assets at Fair Value [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 65,330
Level 1 | Cash and cash equivalents |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 24,796
Level 1 | Fixed income mutual fund |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 30,284
Level 1 | Other Assets |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 0
Level 1 | Total Plan Assets at Fair Value [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 55,080
Level 2 | Cash and cash equivalents |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 0
Level 2 | Fixed income mutual fund |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 0
Level 2 | Other Assets |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 0
Level 2 | Total Plan Assets at Fair Value [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 0
Level 3 | Cash and cash equivalents |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 0
Level 3 | Fixed income mutual fund |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 0
Level 3 | Other Assets |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | 10,250
Level 3 | Total Plan Assets at Fair Value [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Total plan assets at fair value | $ 10,250

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